If the user dwells on a link for long enough, then the gateway makes a
request, which is allowed to complete regardless of whether or not the
response is required.
If the user abandons the link but the request completes before the
abandon completes - currently, ABANDON_END_DELAY is 300 ms - then the
preview will be rendered temporarily.
Fix this by not rendering the preview if the user has started to abandon
the link.
Bug: T163350
Change-Id: I154dde4e3ccaed3d11cb023c85c44451fc0ad957
I09d8776 introduced a bug in the eventLogging reducer where reducing
LINK_CLICK would remove any accumulated interaction state but not close
the interaction.
Update the associated tests so that they correctly test the reduction of
this action.
Bug: T162924
Change-Id: Ia03e719c228ee96f279c1fa89252dc6b6371a8e9
... the interaction.
Following on from Iccba3c4c, LINK_CLICK shouldn't be considered the end
of an interaction because the link or preview can still be abandoned by
the user. Unlike ABANDON_END and LINK_DWELL, therefore, LINK_CLICK
musn't destroy the interaction but indicate that no more events should
be enqueued for the interaction.
More concretely, if the user has clicked the link or the preview, then
a "dwelledButAbandoned" or "dismissed" event shouldn't be logged.
Changes:
* Distinguish between "finalizing" and "closing" an interaction, where
the latter is the current behavior of ABANDON_END, LINK_DWELL, and
LINK_CLICK, in the eventLogging reducer and associated tests.
* If the interaction is finalized, then either the "dwelledButAbandoned"
or "dismissed" events shouldn't be logged.
Bug: T162924
Change-Id: I09d8776da992053f89a77508e29a7cde3cfeeac6
... in the eventLogging reducer.
Like ABANDON_END, the LINK_CLICK should be considered the end of the
interaction in the context of the EventLogging instrumentation, i.e. no
events should be logged after the user clicks the preview or the link.
See T159490#3172692 for additional context.
Bug: T159490
Change-Id: Iccba3c4c2b6121016ff7923c11b1622bc046ad6b
Like the FETCH_COMPLETE and ABANDON_END actions, the PREVIEW_SHOW action
was delayed but not conditionally reduced. As ABANDON_END is delayed,
there's a potential for a race and if ABANDON_END is reduced before
PREVIEW_SHOW, then there's no interaction to reduce the action into,
which causes an error, e.g. T159490#3165276 and T162373. Making
PREVIEW_SHOW require a token stops the error occurring in this scenario.
An alternative would be to clear the timeout created in
ext.popups.Preview#show in #hide. However, this would be inconsistent
with actions#fetch and actions#abandon.
Bug: T159490
Change-Id: Ibd2c0c6f45e4392582cc6ed08517f6ca1146d57a
The ABANDON_START action test cases were (accidentally?) nested under
the FETCH_COMPLETE action test cases...
Bug: T162373
Change-Id: Ia7866178162512602dedd7f70d62c17995ee5076
... instead of using the active element.
In the case of the eventLogging reducer, this fixes scenario 4.1 from
T159490#3150331, which was caused by late FETCH_COMPLETE actions being
reduced regardless of whether interaction had been finalised or a new
interaction had started.
Bug: T159490
Change-Id: If9d718625b0302ea2f75a778005643b4eef62bde
Mixing in the delay was introduced in If3f1a06f so that the total RTT
for an API request could be calculated. Now that the FETCH_END action is
dispatched when the gateway request ends and not when the preview model
is resolved, this additional information (state) is redundant.
Change-Id: I7e6ffe0945ffedd9425525fa7da855e729d50b77
Ideally, the preview model is resolved after 500 ms, regardless of
whether the internal gateway takes 100 or 300 ms. Given this, there's an
important distinction to be made between the "fetch" ending and it
completing and their associated actions.
Changes:
* Dispatch the FETCH_COMPLETE action when the preview model is resolved.
* Update the reducers accordingly.
Change-Id: I62c9cb0430284b76338ea80bd170cac5af4be9d0
If the user abandons link A (or preview A) and immediately dwells on
link B, then log a "dismissed" or "dwelledButAbandoned" event.
In this context, "immediately" means before the ABANDON_END action is
dispatched, which, currently, is 300 ms after the ABANDON_START action
is dispatched.
Bug: T159490
Change-Id: I49f0f5dfb3e6c08844f1794fee8cb6170e93981b
Reducer changes:
* Add tests for ABANDON_END case.
* Extract the body of the ABANDON_END case into the createAbandonEvent
helper function.
Additional changes:
* totalInteractionProperty -> totalInteractionTime elsewhere in the same
file.
Bug: T159490
Change-Id: Ifff34271395f330b83cfe487e84800fe2d6f3811
Reducer changes:
* Make the eventLogging reducer queue a "tapped settings cog" event when
reducing the SETTINGS_SHOW action.
This was discovered while testing I6ce7d72b.
Bug: T159490
Change-Id: I6ce7d72b364d20c71b0e2cfed98e99f7997895e5
For now, mirror the interaction modelling in the preview reducer in the
eventLogging reducer to handle the user either:
* Repeatedly dwelling on and abandoning a link.
* (Repeatedly) moving their mouse between the link and the preview.
This fixes scenarios 1, 2, 5, and the general issue from T159490.
Bug: T159490
Change-Id: Ia771f325e541c107348b16b47c5b786c97847652
For logging to work:
1. $wgWMEStatsdBaseUri needs to point to a valid statsv endpoint,
e.g. 'https://en.wikipedia.org/beacon/statsv'.
2. $wgPopupsStatsvSamplingRate needs to be set. Note that the codebase
already contains the EventLogging functionality, which is configured
separately. Separately configuring different logging mechanisms
allows us to avoid sampling mistakes that may arise while choosing
one or the other. For example, let's say we want to use EventLogging for
10% of users and statsv for 5%. We'd sample all users into two
buckets: 50/50. And then we'd have to set the sampling rates as
20% and 10% respectively, only because of the bucketing above. To avoid
this kind of complications, separate sampling rates are used for each
logging mechanism. This, of course, may result in situations where a
session is logged via both EventLogging and statsv.
3. The WikimediaEvents extension needs to be installed. The extension
adds the `ext.wikimediaEvents` module to the output page. The
logging functionality is delegated to this module.
Notable changes:
* The FETCH_START and FETCH_END actions are converted to a timed action.
* The experiments stub used in tests has been extracted to the stubs
file.
Logged data is visualized at
https://grafana.wikimedia.org/dashboard/db/reading-web-page-previews
Bug: T157111
Change-Id: If3f1a06f1f623e8e625b6c30a48b7f5aa9de24db
In order to run qunit tests on sources that use common.js modules, set
up infra to run qunit tests in the node cli when running:
npm run test:node
Changes:
* Add npm script test:node that runs the tests
* Run node tests on CI (npm test)
* Add a qunit node test runner: mw-node-qunit
* Migrate a test from the root hierarchy and another one from the nested
one to prove it works (globs fail otherwise)
* reducers/settings.test.js to node qunit to prove it works
* counts.test.js to node qunit to prove it works
Change-Id: I55d76b7db168f3745e0ac69852c152322ab385c3
